<mat-accordion class="demo-tree-container">
  <mat-expansion-panel>
    <mat-expansion-panel-header>Flat tree</mat-expansion-panel-header>
    <tree-flat-overview-example></tree-flat-overview-example>
  </mat-expansion-panel>
  <mat-expansion-panel>
    <mat-expansion-panel-header>CDK Flat tree</mat-expansion-panel-header>
    <cdk-tree-flat-example></cdk-tree-flat-example>
  </mat-expansion-panel>
  <mat-expansion-panel>
    <mat-expansion-panel-header>Nested tree</mat-expansion-panel-header>
    <tree-nested-overview-example></tree-nested-overview-example>
  </mat-expansion-panel>
  <mat-expansion-panel>
    <mat-expansion-panel-header>CDK Nested tree</mat-expansion-panel-header>
    <cdk-tree-nested-example></cdk-tree-nested-example>
  </mat-expansion-panel>
  <mat-expansion-panel>
    <mat-expansion-panel-header>Dynamic flat tree</mat-expansion-panel-header>
    <tree-dynamic-example></tree-dynamic-example>
  </mat-expansion-panel>
  <mat-expansion-panel>
    <mat-expansion-panel-header>Load more flat tree</mat-expansion-panel-header>
    <tree-loadmore-example></tree-loadmore-example>
  </mat-expansion-panel>
</mat-accordion>
